1. College of Medicine, King Saud University, Riyadh, Saudi Arabia
2. Ministry of Health, Riyadh, Saudi Arabia
3. Gulf Cooperation Council, Riyadh, Saudi Arabia
4. Biostatistics Department, King Saud University, Riyadh, Saudi Arabia
5. Strategic Center for Diabetes Research, Riyadh, Saudi Arabia
6. Research Department, King Saud University, Riyadh, Saudi Arabia
7. Registry Department, King Saud University, Riyadh, Saudi Arabia
8. Central Department of Statistics and Information, Riyadh, Saudi Arabia